Source: https://seerepo.com/compare/alibaba/open-code-review/vs/antonmedv/fx
Markdown source: https://seerepo.com/compare/alibaba/open-code-review/vs/antonmedv/fx.md
Description: open-code-review and fx share 3 technologies: charm.land/lipgloss/v2, charm.land/bubbletea/v2, and charm.land/bubbles/v2. Both are written in Go.

# open-code-review vs fx

open-code-review and fx share 3 technologies: charm.land/lipgloss/v2, charm.land/bubbletea/v2, and charm.land/bubbles/v2. Both are written in Go.

- [alibaba/open-code-review](https://seerepo.com/r/alibaba/open-code-review): Secure, fast, efficient, battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in multi-language ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.
- [antonmedv/fx](https://seerepo.com/r/antonmedv/fx): Terminal JSON viewer & processor

## What they share and what sets them apart

- In common: charm.land/lipgloss/v2, charm.land/bubbletea/v2, charm.land/bubbles/v2
- Only in open-code-review: net/http, OpenAI, Anthropic, MCP, Preact, React, react-router-dom, Model Context Protocol, openai-go, Coder, github.com/pkoukk/tiktoken-go, OpenTelemetry, go.opentelemetry.io/otel/trace, go.opentelemetry.io/otel/sdk, go.opentelemetry.io/otel/sdk/metric, github.com/aws/aws-sdk-go-v2/config, go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc, go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp, go.opentelemetry.io/otel/metric, Tailwind CSS, Mermaid, three, dompurify, marked, @opencode-ai/plugin
- Only in fx: None

## Side by side

| | open-code-review | fx |
|---|---|---|
| Size | 184,408 lines written, 317 code files | 29,495 lines written, 73 code files |
| Who writes it | 2.3% of its commits signed by AI. With Claude Code, Cursor, Codex, and Warp | 0.1% of its commits signed by AI. With Claude Code |
| Activity | Last push November 5, 2026, 829 commits, 49,499 stars | Last push October 22, 2026, 893 commits, 20,703 stars |
| Tests | 381 test files. 69.4% of its code files have a test that imports them | 61 test files. 79.5% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, open-code-review or fx?

open-code-review, with 184,408 lines written; fx has 29,495.

The proof: [alibaba/open-code-review's code at commit 891df1b](https://github.com/alibaba/open-code-review/tree/891df1b63f380845d882a289a67a6e36c331120c)

### Which has more GitHub stars, open-code-review or fx?

open-code-review, with 49,499 stars; fx has 20,703.

The proof: [alibaba/open-code-review on GitHub](https://github.com/alibaba/open-code-review)

### Which has more tests, open-code-review or fx?

open-code-review, with 381 test files; fx has 61.

The proof: [alibaba/open-code-review's code at commit 891df1b](https://github.com/alibaba/open-code-review/tree/891df1b63f380845d882a289a67a6e36c331120c)

### Which was updated more recently, open-code-review or fx?

open-code-review: its last push was on November 5, 2026, and fx's on October 22, 2026.

The proof: [alibaba/open-code-review's commits on GitHub](https://github.com/alibaba/open-code-review/commits)

### Which has more commits signed by AI, open-code-review or fx?

open-code-review: an AI signed 2.3% of its commits, with Claude Code, Cursor, Codex, and Warp; in fx, 0.1%.

## Sources

- alibaba/open-code-review: Read on November 5, 2026, at commit 891df1b (https://github.com/alibaba/open-code-review/tree/891df1b63f380845d882a289a67a6e36c331120c)
- antonmedv/fx: Read on November 5, 2026, at commit 5d57637 (https://github.com/antonmedv/fx/tree/5d57637b00f4329b3cd563330e159d181e4ead85)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.